Sea Snakes With 'Seeing Tails' (image) University of Adelaide Share Print E-Mail Caption This is an olive sea snake (Aipysurus laevis) diving underwater. Sea snakes live their entire lives at sea and must come up to the sea surface to breath air. Credit Chris Malam Usage Restrictions 'For use with this story only Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.